Final answer:
France provided crucial military support to the American Patriots during the Revolutionary War.
Step-by-step explanation:
The foreign country that came to the aid of the American Patriots during the American Revolution was France.
After the American victory at the Battle of Saratoga, France recognized American independence and formed a military alliance with the new nation. This alliance provided the American Patriots with crucial military support, including soldiers, naval forces, and military leaders like Marquis de Lafayette.
The involvement of France in the Revolutionary War changed the course of the war and played a significant role in the defeat of Great Britain.